Vocabulary U4, W4

energy pyramid

• throughout its lifetime, an organism will use, on average, 90% of the energy it consumes

• a visual model showing the amount of energy that moves from one feeding level (trophic level) to another in a food web

• environment factors that cause a population to stop growing or decrease in size

• the community of organisms that live in a particular area, along with their nonliving environment (biotic and abiotic factors)

10% Rule

• the community of organisms that live in a particular area, along with their nonliving environment (biotic and abiotic factors)

• a visual model showing the amount of energy that moves from one feeding level (trophic level) to another in a food web

• throughout its lifetime, an organism will use, on average, 90% of the energy it consumes

• the organism that is consumed for food or nutrients

limiting factors

• environment factors that cause a population to stop growing or decrease in size

• the community of organisms that live in a particular area, along with their nonliving environment (biotic and abiotic factors)

• throughout its lifetime, an organism will use, on average, 90% of the energy it consumes

• the position an organism occupies at each level of the food chain

trophic level

• the organism that is consumed for food or nutrients

• the organism that kills another for food or nutrients

• a visual model showing the amount of energy that moves from one feeding level (trophic level) to another in a food web

• the position an organism occupies at each level of the food chain

predator

• the organism that is consumed for food or nutrients

• the organism that kills another for food or nutrients

• environment factors that cause a population to stop growing or decrease in size

• the position an organism occupies at each level of the food chain

prey

• the position an organism occupies at each level of the food chain

• the organism that kills another for food or nutrients

• the organism that is consumed for food or nutrients

• throughout its lifetime, an organism will use, on average, 90% of the energy it consumes

ecosystem

• the community of organisms that live in a particular area, along with their nonliving environment (biotic and abiotic factors)

• a visual model showing the amount of energy that moves from one feeding level (trophic level) to another in a food web

• environment factors that cause a population to stop growing or decrease in size

• throughout its lifetime, an organism will use, on average, 90% of the energy it consumes